Get an instance of Vault Manager, which can be used to:

• fetch a list of vaulted payment methods for the customerId attached to the client session
• delete a vaulted payment method for the customerId attached to the client session
• perform a payment using a vaulted payment method and additional data (e.g. CVV)
• validate the additional data used to perform a payment (e.g. validate CVV)

1

func init()